Initial commit

wwwroot/lib/popper.js/esm/modifiers/computeStyles.js

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+import { top, left, right, bottom, end } from "../enums.js";
+import getOffsetParent from "../dom-utils/getOffsetParent.js";
+import getWindow from "../dom-utils/getWindow.js";
+import getDocumentElement from "../dom-utils/getDocumentElement.js";
+import getComputedStyle from "../dom-utils/getComputedStyle.js";
+import getBasePlacement from "../utils/getBasePlacement.js";
+import getVariation from "../utils/getVariation.js";
+import { round } from "../utils/math.js"; // eslint-disable-next-line import/no-unused-modules
+
+var unsetSides = {
+  top: 'auto',
+  right: 'auto',
+  bottom: 'auto',
+  left: 'auto'
+}; // Round the offsets to the nearest suitable subpixel based on the DPR.
+// Zooming can change the DPR, but it seems to report a value that will
+// cleanly divide the values into the appropriate subpixels.
+
+function roundOffsetsByDPR(_ref) {
+  var x = _ref.x,
+      y = _ref.y;
+  var win = window;
+  var dpr = win.devicePixelRatio || 1;
+  return {
+    x: round(x * dpr) / dpr || 0,
+    y: round(y * dpr) / dpr || 0
+  };
+}
+
+export function mapToStyles(_ref2) {
+  var _Object$assign2;
+
+  var popper = _ref2.popper,
+      popperRect = _ref2.popperRect,
+      placement = _ref2.placement,
+      variation = _ref2.variation,
+      offsets = _ref2.offsets,
+      position = _ref2.position,
+      gpuAcceleration = _ref2.gpuAcceleration,
+      adaptive = _ref2.adaptive,
+      roundOffsets = _ref2.roundOffsets,
+      isFixed = _ref2.isFixed;
+  var _offsets$x = offsets.x,
+      x = _offsets$x === void 0 ? 0 : _offsets$x,
+      _offsets$y = offsets.y,
+      y = _offsets$y === void 0 ? 0 : _offsets$y;
+
+  var _ref3 = typeof roundOffsets === 'function' ? roundOffsets({
+    x: x,
+    y: y
+  }) : {
+    x: x,
+    y: y
+  };
+
+  x = _ref3.x;
+  y = _ref3.y;
+  var hasX = offsets.hasOwnProperty('x');
+  var hasY = offsets.hasOwnProperty('y');
+  var sideX = left;
+  var sideY = top;
+  var win = window;
+
+  if (adaptive) {
+    var offsetParent = getOffsetParent(popper);
+    var heightProp = 'clientHeight';
+    var widthProp = 'clientWidth';
+
+    if (offsetParent === getWindow(popper)) {
+      offsetParent = getDocumentElement(popper);
+
+      if (getComputedStyle(offsetParent).position !== 'static' && position === 'absolute') {
+        heightProp = 'scrollHeight';
+        widthProp = 'scrollWidth';
+      }
+    } // $FlowFixMe[incompatible-cast]: force type refinement, we compare offsetParent with window above, but Flow doesn't detect it
+
+
+    offsetParent = offsetParent;
+
+    if (placement === top || (placement === left || placement === right) && variation === end) {
+      sideY = bottom;
+      var offsetY = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.height : // $FlowFixMe[prop-missing]
+      offsetParent[heightProp];
+      y -= offsetY - popperRect.height;
+      y *= gpuAcceleration ? 1 : -1;
+    }
+
+    if (placement === left || (placement === top || placement === bottom) && variation === end) {
+      sideX = right;
+      var offsetX = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.width : // $FlowFixMe[prop-missing]
+      offsetParent[widthProp];
+      x -= offsetX - popperRect.width;
+      x *= gpuAcceleration ? 1 : -1;
+    }
+  }
+
+  var commonStyles = Object.assign({
+    position: position
+  }, adaptive && unsetSides);
+
+  var _ref4 = roundOffsets === true ? roundOffsetsByDPR({
+    x: x,
+    y: y
+  }) : {
+    x: x,
+    y: y
+  };
+
+  x = _ref4.x;
+  y = _ref4.y;
+
+  if (gpuAcceleration) {
+    var _Object$assign;
+
+    return Object.assign({}, commonStyles, (_Object$assign = {}, _Object$assign[sideY] = hasY ? '0' : '', _Object$assign[sideX] = hasX ? '0' : '', _Object$assign.transform = (win.devicePixelRatio || 1) <= 1 ? "translate(" + x + "px, " + y + "px)" : "translate3d(" + x + "px, " + y + "px, 0)", _Object$assign));
+  }
+
+  return Object.assign({}, commonStyles, (_Object$assign2 = {}, _Object$assign2[sideY] = hasY ? y + "px" : '', _Object$assign2[sideX] = hasX ? x + "px" : '', _Object$assign2.transform = '', _Object$assign2));
+}
+
+function computeStyles(_ref5) {
+  var state = _ref5.state,
+      options = _ref5.options;
+  var _options$gpuAccelerat = options.gpuAcceleration,
+      gpuAcceleration = _options$gpuAccelerat === void 0 ? true : _options$gpuAccelerat,
+      _options$adaptive = options.adaptive,
+      adaptive = _options$adaptive === void 0 ? true : _options$adaptive,
+      _options$roundOffsets = options.roundOffsets,
+      roundOffsets = _options$roundOffsets === void 0 ? true : _options$roundOffsets;
+
+  if (false) {
+    var transitionProperty = getComputedStyle(state.elements.popper).transitionProperty || '';
+
+    if (adaptive && ['transform', 'top', 'right', 'bottom', 'left'].some(function (property) {
+      return transitionProperty.indexOf(property) >= 0;
+    })) {
+      console.warn(['Popper: Detected CSS transitions on at least one of the following', 'CSS properties: "transform", "top", "right", "bottom", "left".', '\n\n', 'Disable the "computeStyles" modifier\'s `adaptive` option to allow', 'for smooth transitions, or remove these properties from the CSS', 'transition declaration on the popper element if only transitioning', 'opacity or background-color for example.', '\n\n', 'We recommend using the popper element as a wrapper around an inner', 'element that can have any CSS property transitioned for animations.'].join(' '));
+    }
+  }
+
+  var commonStyles = {
+    placement: getBasePlacement(state.placement),
+    variation: getVariation(state.placement),
+    popper: state.elements.popper,
+    popperRect: state.rects.popper,
+    gpuAcceleration: gpuAcceleration,
+    isFixed: state.options.strategy === 'fixed'
+  };
+
+  if (state.modifiersData.popperOffsets != null) {
+    state.styles.popper = Object.assign({}, state.styles.popper, mapToStyles(Object.assign({}, commonStyles, {
+      offsets: state.modifiersData.popperOffsets,
+      position: state.options.strategy,
+      adaptive: adaptive,
+      roundOffsets: roundOffsets
+    })));
+  }
+
+  if (state.modifiersData.arrow != null) {
+    state.styles.arrow = Object.assign({}, state.styles.arrow, mapToStyles(Object.assign({}, commonStyles, {
+      offsets: state.modifiersData.arrow,
+      position: 'absolute',
+      adaptive: false,
+      roundOffsets: roundOffsets
+    })));
+  }
+
+  state.attributes.popper = Object.assign({}, state.attributes.popper, {
+    'data-popper-placement': state.placement
+  });
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'computeStyles',
+  enabled: true,
+  phase: 'beforeWrite',
+  fn: computeStyles,
+  data: {}
+};